* [TE] Optimized version of concatenation layer
1. Concat implemented using extern_op
2. New tests added.
3. Workaround to allow inline extern_op-s with other layers.
* *test fix
* test_any.py fix.
* test_forward.py from tensorflow fix.
* lint fix.
* Fixes after code review.
* New comment added.
* Lint fix.
* Another lint fix.
* Comments added.
* rebase issue fix.
* Restored previous state.
* Update after code review.
* After code review changes.
* lint review.
* Change strategy for cuda to fix tests.
* Rebase to main
* Comments changes after review.
* Some more comments fixes.
* One more error fix in comments.
* restart build
Sergey
e84f163f57